Arizona Thunderstorms Build for 80 MPH Desert Wind Threat — SevereWX

Arizona Thunderstorms Build for 80 MPH Desert Wind Threat

Thunderstorms are firing up across parts of southern and central Arizona this afternoon, with potential for isolated severe wind gusts up to 80 mph as they spill into lower desert areas.

Latest from SPC Mesoscale Discussion 1606:

• Deepening cumulus fields visible on satellite over southeast Arizona, plus ongoing storms along the Mogollon Rim.
• Steep midlevel lapse rates and rich midlevel moisture fueling MLCAPE near 1000 J/kg, priming further destabilization.
• Midlevel easterly winds at 20-30 knots will steer new development off higher terrain toward valleys and deserts through evening.

Organized storm clusters could pack damaging straight-line winds peaking at 65-80 mph. SPC notes trends are being closely watched, with a 60% chance of a severe thunderstorm watch in the next 1-2 hours.

The setup favors isolated but potent gusts rather than widespread severe weather, typical of Arizona's monsoon pattern. Higher terrain acts as the trigger, sending outflows racing across hotter lowlands.

Timeline: Activity ramps up over the next few hours, peaking into evening (valid through around 10 PM MST).

Stay weather-aware if you're in southern/central Arizona—monitor radar, have a severe weather plan ready, and heed any watches or warnings from your local NWS office.